<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8"/>
    <title>Sycamore App</title>
    <script src="https://cdn.jsdelivr.net/npm/echarts@5.5.1/dist/echarts.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/echarts-gl@2.0.9/dist/echarts-gl.min.js"></script>
  </head>
  <body></body>
</html>